期刊
POLYMER
卷 200, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2020.122547
关键词
Nanocomposites coating; Multi-walled carbon nanotube; Waterborne acrylic resin; 3-aminopropyltriethoxysilane; Properties
Multi-walled carbon nanotubes (MWCNTs)/waterborne acrylic resin nanocomposite coatings were synthesized by a solution mixing method using 3-aminopropyltriethoxysilane (KH-550) coupling agent as the curing agent. The improvements on thermostability, conductibility, mechanical performances, and hydrophobicity of the asprepared composite coatings were evaluated. The conductivity was improved by six orders of magnitude compared to pure waterborne acrylic resin. CNTs greatly enhanced the thermostability and reduced the curing temperature. The tensile test showed that the introduction of CNTs significantly enhanced the mechanical performances of the resin. The sample with 5 wt% CNTs exhibited the largest tensile strength, which was higher than pure resin. Moreover, the coating had an improved surface hydrophobicity. 6 wt% CNTs increased the contact angle of the coating from 81.32 degrees to about 90 degrees.
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